Home / 759,724.52-1,047,393.87-487,319.54

Finding the Fourth Proportional to 759,724.52, 1,047,393.87 and 487,319.54

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Solution

The fourth proportional to 759,724.52, 1,047,393.87 and 487,319.54 is: 671,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,724.52 : 1,047,393.87 = 487,319.54 : x
  2. Step 2: Convert to fraction form
    759,724.52/1,047,393.87 = 487,319.54/x
  3. Step 3: Cross multiply
    759,724.52x = 1,047,393.87 × 487,319.54
  4. Step 4: Simplify right side
    759,724.52x = 510,415,491,253.65
  5. Step 5: Solve for x
    x = 510,415,491,253.65/759,724.52
  6. Step 6: Final answer
    x = 671,842.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.